From d69e957b9a8c0639524070865e2b3f579473defa Mon Sep 17 00:00:00 2001
From: Jonathan Frederic <jdfreder@calpoly.edu>
Date: Tue, 3 Dec 2013 19:24:11 +0000
Subject: [PATCH] Added support for disabled flag to button widget.

---
 IPython/html/static/notebook/js/widgets/button.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/IPython/html/static/notebook/js/widgets/button.js b/IPython/html/static/notebook/js/widgets/button.js
index d45098405..e8bb0045c 100644
--- a/IPython/html/static/notebook/js/widgets/button.js
+++ b/IPython/html/static/notebook/js/widgets/button.js
@@ -42,6 +42,12 @@ define(["notebook/js/widget"], function(widget_manager){
                 this.$el.html(description);
             }
             
+            if (this.model.get('disabled')) {
+                this.$el.attr('disabled','disabled');
+            } else {
+                this.$el.removeAttr('disabled');
+            }
+
             return IPython.WidgetView.prototype.update.call(this);
         },